Finally tonight, it started innocently enough, a husband asked his wife to conquer her fear of heights by joining him on an amusement park ride, a large circle of swings that rises and then whirls 300 feet above the ground. But when they got up there, it broke. They were stuck, for a long time. And abc's david wright tells us what happened next. Reporter: Among the 20 people left hanging at knott's berry farm, dona and jimmy garrison of baltimore. That's him waving and her holding on for dear life. She actually got on this ride because she's afraid of heights. You were hoping to conquer your fear? Yes. Reporter: What they didn't bargain for was that the wind seeker would get stuck, 300 feet up, for four excruciating hours. I tell you, the first hour was pretty rocky. I have panic attacks, so, you know, hyper ventilate, I shake. So, here's where we are. Let's try to laugh about it. He knew exactly how to hold my hand, what to say and encourage me to know that we're going to live to see another day. Reporter: And you know what? It worked. As day turned into night, she actually started to relax. I to see a sunset. It was nice. Reporter: Not quite the sunset you bargained for. I thought it would be on the ocean. Reporter: Now that they're all down, safe and sound, dona says she's cured. Reporter: No longer afraid of heights? I'm a lot better. A lot better. Reporter: Now you're afraid of amusement park rides. Their new t-shirt says "i survived the wind seeker." You sure did. We survived it. Reporter: David wright, abc news, knott's berry farm.

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